src/Book.java - master - Scaramoushe/HW5_Task2

src/Book.java
75 строк2 KB
Titov Vladimir
Исправленная версия
09 июл 2026, 20:11
09 июл 2026, 20:117262e94
public class Book {
    private String title; // название книги;
    private int releaseYear; //год выпуска;
    private Author author; // автор;
    private int pages; // количество страниц.

    public Book(String title, int releaseYear, Author author, int pages) {
        if (title == null || author == null)
            throw new IllegalArgumentException();

        this.title = title;
        this.releaseYear = releaseYear;
        this.author = author;
        this.pages = pages;
    }

    public String getTitle() {
        return title;
    }
    public void setTitle(String title) {
        this.title = title;
    }

    public int getReleaseYear() {
        return releaseYear;
    }
    public void setReleaseYear(int releaseYear) {
        this.releaseYear = releaseYear;
    }

    public Author getAuthor() {
        return author;
    }
    public void setAuthor(Author author) {
        this.author = author;
    }

    public int getPages() {
        return pages;
    }
    public void setPages(int pages) {
        this.pages = pages;
    }

    public boolean isBig() {
        return this.pages > 500;
    }

    public boolean matches(String word) {
        if (word == null) return false;

        if (this.title.contains(word) || this.author.getName().contains(word)
                || this.author.getSurname().contains(word))
            return true;
        else
            return false;
    }

    public int estimatePrice() {
        int price = (int) Math.floor(this.pages * 3 * Math.sqrt(author.getRating()));
        return Math.max(price, 250);
    }

    @Override
    public String toString() {
        return "Book{" +
                "title='" + title + '\'' +
                ", releaseYear=" + releaseYear +
                ", author=" + author.getName() + " " + author.getSurname() +
                ", pages=" + pages +
                ", isBig=" + isBig() +
                ", estimatePrice=" + estimatePrice() +
                '}';
    }
}